JP2021095808A - Heavy member lifting movement mechanism, lifting movement method for the same, guide jig used for the lifting movement mechanism, and support beam mounting method using the guide jig - Google Patents

Abstract

To improve work efficiency and save labor.SOLUTION: A lifting movement mechanism 2 is provided in a tunnel 3, and includes a guide mechanism 6, a movable body unit 24, and a support unit 42. The guide mechanism 6 includes: brackets 4 provided on upper parts of left and right side walls 3A, 3B of the tunnel 3 at prescribed intervals along the extension direction; and guide rails 5 connected to the brackets 4. The movable body unit 24 has a pair of trolleys 11, 12 at both ends of the upper parts, and includes a support beam 13 detachably attached to the guide rails 5. The support unit 42 includes a garter 31, both ends of which are suspended and respectively supported by support beams 13A, 13B facing each other on the side walls 3A, 3B, and which detachably connects to and lifts a heavy member W. The lifting movement mechanism 2 lifts and moves the heavy member W with the garter 31.SELECTED DRAWING: Figure 2

Description

INDUSTRIAL APPLICABILITY According to the present invention, a lifting movement mechanism for a heavy member for lifting and moving a heavy member such as a rail or a turnout in a structural frame for a railway, a method for lifting and moving the heavy member, a guide jig used for the lifting and moving mechanism, and a guide thereof. It relates to a method of mounting a support beam using a jig.

Generally, when railroad tracks are replaced or renewed, old railroad tracks and turnouts (long heavy members) to be replaced are removed and carried out, and new railroad tracks and turnouts are brought to the work site and installed. Conventionally, when carrying in and out a long heavy member such as a railroad stile or a turnout to a work site, first, a plurality of heavy member carriers are placed on the track and a plurality of Yamakoshi devices are installed. It is known to move heavy members. In other words, a plurality of heavy-duty member carriers are placed on the track, a long heavy-duty member is loaded on the carrier, a moving rail is attached to the heavy-duty member, and then a plurality of Yamakoshi devices are installed in the work place. , The moving rail is hooked on the chain block of Yamakoshi to move the long heavy member (see, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2014-156727

In the conventional method of lifting and moving a heavy member, a plurality of operations can be performed in parallel as long as a space for installing the Yamakoshi device and a sufficient work space are secured around the track. However, in a tunnel where the orbital space is restricted by surrounding the top, bottom, left, and right, and in a structural frame such as a digging structure where the upper side of the top, bottom, left, and right is open, the work space is restricted, and Yamakoshi equipment is installed. If this happens, it is difficult to work in the vicinity of the installation location, each work must be performed over time, it is difficult to perform a plurality of works in parallel at the same time, and there is a problem that work efficiency is poor.

The present invention has been made to solve the above problems. First, a lifting and moving mechanism for a heavy member capable of improving work efficiency and saving labor even in a narrow structural frame in which a track is laid. The purpose is to provide a method of lifting and moving. Secondly, it is an object of the present invention to provide a guide jig used for a lifting and moving mechanism of a heavy member capable of improving work efficiency, and a method of mounting a support beam using the guide jig.

The lifting and moving mechanism for a heavy member according to claim 1 of the first aspect of the present invention is a mechanism for lifting and moving a heavy member in a structural skeleton in which a track is laid in an extension direction, and is a mechanism for lifting and moving the heavy member in the upper part of the structural skeleton. Guide means provided along the extension direction on both the left and right sides, a plurality of movable bodies movably attached to each guide means, and movable bodies having both ends facing each other are suspended and supported, and heavy members are detachably connected to each other. It is characterized in that it is provided with a support to be lifted.

The lifting / moving mechanism for a heavy member according to claim 1 of the first aspect of the present invention is a mechanism for lifting and moving a heavy member in a structural skeleton in which a track is laid in an extension direction, and is a mechanism for lifting and moving the heavy member in the upper part of the structural skeleton. Guide means provided along the extension direction on both the left and right sides, a plurality of movable bodies movably attached to each guide means, and movable bodies having both ends facing each other are suspended and supported, and heavy members are detachably connected to each other. By providing a support for lifting the weight member, the heavy member can be moved while being lifted on the support, and can be made to stand by at a place away from the work place along the guide means, and at the same time, a plurality of members can be made to stand by. Can do the work of. In addition, since there are no obstacles such as Yamakoshi on the trackbed, it becomes easier to work and work efficiency is improved. Further, in the field, the length of the heavy member can be adjusted only by adjusting the number of movable bodies attached to the guide means.

The lifting and moving mechanism for a heavy member according to claim 2 of the first aspect of the present invention is a mechanism for lifting and moving a heavy member in a structural skeleton in which a track is laid in an extension direction, and is a mechanism for lifting and moving the heavy member in the upper part of the structural skeleton. A guide mechanism having brackets provided at predetermined intervals along the extension direction on both left and right sides and guide rails connected to these brackets, and a first rolling member at the upper part, which is engaged with the guide rails. A plurality of movable body units having a support beam that is detachably mounted, a first lifting device that is suspended and supported by the support beam, and a connecting member whose one end is locked to the support beam, and the first one at both ends. A garter in which the lifting portion of the lifting device 1 and the other end of the connecting member are respectively engaged and disengaged, and a heavy member mounted on the garter via a second rolling member so as to be displaceable in the longitudinal direction. It is characterized in that it is provided with a support unit having a second lifting device for lifting by detachably connecting the above.

The lifting and moving mechanism for a heavy member according to claim 2 of the first aspect of the present invention is a mechanism for lifting and moving a heavy member in a structural skeleton in which a track is laid in an extension direction, and is a mechanism for lifting and moving the heavy member in the upper part of the structural skeleton. A guide mechanism having brackets provided at predetermined intervals along the extension direction on both left and right sides and guide rails connected to these brackets, and a first rolling member at the upper part, which is engaged with the guide rails. A plurality of movable body units having a support beam that is detachably mounted, a first lifting device that is suspended and supported by the support beam, and a connecting member whose one end is locked to the support beam, and the first one at both ends. A garter in which the lifting portion of the lifting device 1 and the other end of the connecting member are respectively engaged and disengaged, and a heavy member mounted on the garter via a second rolling member so as to be displaceable in the longitudinal direction. By providing a support unit having a second lifting device that detachably connects and lifts the heavy members, the heavy members are lifted to the support unit and the work is performed along the guide mechanism. It can be made to stand by at a place away from the place, and multiple tasks can be performed at the same time. In addition, since there are no obstacles such as Yamakoshi on the trackbed, it becomes easier to work and work efficiency is improved. Further, in the field, the length of the heavy member can be adjusted only by adjusting the number of movable body units attached to the guide mechanism.

Further, in the lifting movement mechanism of the heavy member according to the first aspect of the present invention, the guide rails are provided on the upper left and right sides of the structural skeleton or on the left and right sides of the ceiling portion of the structural skeleton, and a plurality of cross-sectional E-shaped rail pieces are provided. It is preferable that the components are connected and extended to a desired length. With such a configuration, the guide rail can be lengthened according to the work content. Further, a stopper for preventing the support beam from falling off is provided at the end of the guide rail, and the stopper for preventing the support beam from falling off allows the first rolling member to enter the guide rail from the outside, and is inside the guide rail. It may be configured to prevent the first rolling member of the above from falling off. With such a configuration, the support beam does not escape and fall off from the guide rail, and the support beam can be easily attached to the guide rail. Further, the first lifting device is suspended and supported at the center of the lower surface of the support beam, the connecting member is composed of a pair of wires, and one end of each wire is locked at equal intervals from the center of the lower surface of the support beam. It is preferable to do so. With such a configuration, the support unit is connected to the support beam in a well-balanced manner.

Further, the garter may be made adjustable in length according to the inter-gauge width of the structural skeleton. With this configuration, the length of the garter can correspond to the width of the structural skeleton even if the width of the structural skeleton is different. Further, it is preferable that the support beam is provided with a detection device for detecting the position of the garter. With this configuration, when the garter is lifted, it can be lifted while checking that the garter does not tilt. Further, it is preferable to provide adjustment pads at both ends of the garter so that the protective pads can be attached to and detached from the side walls. With such a configuration, even if the garter swings in the gauge direction, the end portion of the garter does not hit the wall surface of the structural skeleton. Further, a spirit level may be attached to the garter. With such a configuration, the work can be performed while checking the level of the garter. Further, the structural frame is a tunnel or frame structure in which the upper, lower, left and right sides are surrounded and the track space is limited, an excavated structure or frame structure in which the upper side is open among the upper, lower, left and right sides, or a temporary construction work assembled on a track bed. It may include a frame structure. With such a configuration, work can be efficiently performed even in a narrow space.

The method for lifting and moving a heavy member according to claim 11 of the first aspect of the present invention is a method for lifting and moving a heavy member in a structural frame in which a track is laid in an extension direction. Is connected to a support having a predetermined height, then the heavy member is lifted, and the support is moved in the extension direction while the heavy member is lifted and held.

The method for lifting and moving a heavy member according to claim 11 of the first aspect of the present invention is a method for lifting and moving a heavy member in a structural frame in which a track is laid in an extension direction. Is connected to a support having a predetermined height, and then the heavy member is lifted, and the support is moved in the extension direction while the heavy member is lifted and held. It can be made to stand by at a place away from the place, and multiple tasks can be performed at the same time. In addition, since there are no obstacles such as Yamakoshi on the trackbed, it becomes easier to work and work efficiency is improved.

The method for lifting and moving a heavy member according to claim 12 of the first aspect of the present invention is a method for lifting and moving a heavy member in a structural frame in which an extension direction track is laid, and the guiding means is provided. A first step provided along the extension direction on both the left and right sides of the upper part of the structural frame, a second step of movably attaching a plurality of movable bodies to each guide means, and a movable support body facing each other on the left and right sides. It is characterized by having a third step of suspending and supporting the body and a fourth step of detachably connecting a heavy member by a support and lifting and moving the heavy member.

The method for lifting and moving a heavy member according to claim 12 of the first aspect of the present invention is a method for lifting and moving a heavy member in a structural frame in which an extension direction track is laid, wherein the guiding means is provided. A first step provided along the extension direction on both the left and right sides of the upper part of the structural frame, a second step of movably attaching a plurality of movable bodies to each guide means, and a movable support body facing each other on the left and right sides. A state in which the heavy member is lifted to the support unit by having a third step of suspending and supporting the body and a fourth step of detachably connecting the heavy member with a support and lifting and moving the heavy member. Therefore, it is possible to make the person stand by at a place away from the work place along the guide mechanism, and to perform a plurality of works at the same time. In addition, since there are no obstacles such as Yamakoshi on the trackbed, it becomes easier to work and work efficiency is improved. Further, in the field, the length of the heavy member can be adjusted only by adjusting the number of movable body units attached to the guide mechanism.

The guide jig according to claim 13 of the second aspect of the present invention is a guide jig that guides the rolling member provided on the upper part of the support beam to the guide rail, and the rolling member rolls on the upper surface. A surface is formed so that it can be inserted between the support beam and the rolling member, and when one end is guided to the end of the guide rail, the rolling surface is almost the same as the rolling member running surface of the guide rail. It is characterized by being configured to match the level.

The guide jig according to claim 13 of the second invention of the present invention is a guide jig that guides the rolling member provided on the upper part of the support beam to the guide rail, and the rolling member rolls on the upper surface. A surface is formed so that it can be inserted between the support beam and the rolling member, and when one end is guided to the end of the guide rail, the rolling surface is almost the same as the rolling member running surface of the guide rail. By being configured to match the level, the guide jig is inserted between the support beam and the rolling member, the guide jig is lifted integrally with the support beam, and one end of the guide rail is at the end of the guide rail. When guided to, the rolling surface of the guide jig and the rolling member running surface of the guide rail match at almost the same level. When the support beam is moved to the guide rail side, the rolling member is guided to the rolling member running surface of the guide rail, so that the support beam can be easily guided to the guide rail, and the work efficiency is improved.

The guide jig according to claim 14 of the second aspect of the present invention is a guide jig that guides a rolling member provided on an upper portion of a support beam to a guide rail having a vertical wall, and rolls to the upper surface. It has a rolling portion on which the rolling surface of the member is formed, a flat plate material that can be inserted between the support beam and the rolling member, and a vertical wall of the guide rail that protrudes outward from above the end of the rolling portion. A positioning part that can sandwich the flat material and a positioning part that protrudes outward from the lower end of the flat plate material, abuts on the lower surface of the guide rail to regulate upward displacement, and the rolling surface of the flat plate material rolls on the guide rail. It is characterized by having a regulating part that matches the traveling surface of the moving member at almost the same level.

The guide jig according to claim 14 of the second invention of the present invention is a guide jig that guides a rolling member provided on an upper portion of a support beam to a guide rail having a vertical wall, and rolls to the upper surface. It has a rolling portion on which the rolling surface of the member is formed, a flat plate material that can be inserted between the support beam and the rolling member, and a vertical wall of the guide rail that protrudes outward from above the end of the rolling portion. A positioning part that can sandwich the flat material and a positioning part that protrudes outward from the lower end of the flat plate material, abuts on the lower surface of the guide rail to regulate upward displacement, and the rolling surface of the flat plate material rolls on the guide rail. By having a regulating part that matches the running surface of the moving member at almost the same level, the guide rail is inserted between the support beam and the rolling member, and the guide jig is supported by the support beam. When the positioning part of the guide rail is sandwiched between the vertical walls of the guide rail and the regulation part is brought into contact with the lower surface of the guide rail, the end of the rolling part of the guide rail and the end of the guide rail are accurate. The rolling surface of the rolling portion of the guide jig and the running surface of the rolling member of the guide rail match at almost the same level. When the support beam is moved to the guide rail side, the rolling member is guided to the rolling member running surface of the guide rail, so that the support beam can be easily guided to the guide rail, and the work efficiency is improved.

The method of mounting the support beam using the guide beam according to claim 15 of the second invention of the present invention uses a guide jig inserted between the rolling member provided on the upper portion of the support beam and the support beam. This is a method of mounting a support beam by guiding the rolling member of the support beam to a guide rail extending in the extension direction on the upper part of the structural frame and mounting the support beam on the guide rail. The first step of inserting the guide jig between the two, and the second step of pulling up the guide jig integrally with the support beam and arranging the end of the guide jig at the end of the guide rail to abut each other. It is characterized by having a third step of moving the support beam to the guide rail side and guiding the rolling member to the rolling member running surface of the guide rail.

In the method of mounting the support beam using the guide beam according to claim 15 of the second invention of the present invention, a guide jig inserted between the rolling member provided on the upper portion of the support beam and the support beam is used. This is a method of mounting the support beam by guiding the rolling member of the support beam to a guide rail extending in the extension direction on the upper part of the structural frame and mounting the support beam on the guide rail. The first step of inserting the guide jig between the two, and the second step of pulling up the guide jig integrally with the support beam and arranging the end of the guide jig at the end of the guide rail to abut each other. By moving the support beam to the guide rail side and having a third step of guiding the rolling member to the rolling member running surface of the guide rail, the guide beam is supported in the first step. Insert it between the and the rolling member, pull up the guide jig integrally with the support beam in the second step, place the end of the guide jig at the end of the guide rail and butt it, and in the third step When the support beam is moved to the guide rail side, the rolling member is guided to the traveling surface of the guide rail, the support beam can be easily guided to the guide rail, and the work efficiency is improved.

Further, in the method of mounting the support beam using the guide jig according to the second invention of the present invention, a pulley is attached to the side wall near the end of the guide rail, and the guide jig is pulled up in the second step. Is preferable. With such a configuration, the guide jig can be easily pulled up. Further, in the method of mounting the support beam using the guide jig according to the present invention, the end portion of the guide jig is arranged so as to abut against the end portion of the guide rail, and the support beam is moved from the guide rail to move the rolling member. May be guided to the guide jig, and the guide jig and the support beam may be pulled down to separate the support beam from the guide rail. With such a configuration, the support beam can be easily separated from the guide rail.

The lifting and moving mechanism for a heavy member according to claim 1 of the first aspect of the present invention is a mechanism for lifting and moving a heavy member in a structural skeleton in which a track is laid in an extension direction, and is a mechanism for lifting and moving the heavy member in the upper part of the structural skeleton. Guide means provided along the extension direction on both the left and right sides, a plurality of movable bodies movably attached to each guide means, and movable bodies having both ends facing each other are suspended and supported, and heavy members are detachably connected to each other. Since it is configured to be provided with a support for lifting, it is possible to perform a plurality of operations at the same time, and the work efficiency is improved. In addition, since there are no obstacles such as Yamakoshi on the trackbed, it becomes easier to work and workability is improved.

The lifting and moving mechanism for a heavy member according to claim 2 of the first aspect of the present invention is a mechanism for lifting and moving a heavy member in a structural skeleton in which a track is laid in an extension direction, and is a mechanism for lifting and moving the heavy member in the upper part of the structural skeleton. A guide mechanism having brackets provided at predetermined intervals along the extension direction on both left and right sides and guide rails connected to these brackets, and a first rolling member at the upper part, which is engaged with the guide rails. A plurality of movable body units having a support beam that is detachably mounted, a first lifting device that is suspended and supported by the support beam, and a connecting member whose one end is locked to the support beam, and the first one at both ends. A garter in which the lifting portion of the lifting device 1 and the other end of the connecting member are respectively engaged and disengaged, and a heavy member mounted on the garter via a second rolling member so as to be displaceable in the longitudinal direction. Since it is configured to be provided with a support unit having a second lifting device that is detachably connected and lifted, a plurality of operations can be performed at the same time, and work efficiency is improved. In addition, since there are no obstacles such as Yamakoshi on the trackbed, it becomes easier to work and workability is improved.

The method for lifting and moving a heavy member according to claim 11 of the first aspect of the present invention is a method for lifting and moving a heavy member in a structural frame in which a track is laid in an extension direction. After connecting to a support of a predetermined height, the heavy member is lifted, and the support is moved in the extension direction while the heavy member is lifted and held, so that multiple operations can be performed at the same time, and work efficiency is achieved. Is improved. In addition, since there are no obstacles such as Yamakoshi on the trackbed, it becomes easier to work and workability is improved.

The method for lifting and moving a heavy member according to claim 12 of the first aspect of the present invention is a method for lifting and moving a heavy member in a structural frame in which an extension direction track is laid, and the guiding means is provided. A first step provided along the extension direction on both the left and right sides of the upper part of the structural frame, a second step of movably attaching a plurality of movable bodies to each guide means, and a movable support body facing each other on the left and right sides. Since it has a third step of suspending and supporting the body and a fourth step of detachably connecting heavy members by a support and lifting and moving them, it is possible to perform a plurality of operations at the same time. Efficiency is improved. In addition, since there are no obstacles such as Yamakoshi on the trackbed, it becomes easier to work and workability is improved.

The guide jig according to claim 13 of the second aspect of the present invention is a guide jig that guides the rolling member provided on the upper part of the support beam to the guide rail, and the rolling member rolls on the upper surface. A surface is formed so that it can be inserted between the support beam and the rolling member, and when one end is guided to the end of the guide rail, the rolling surface is almost the same as the rolling member running surface of the guide rail. Since it is configured to match the level, the support beam can be easily guided to the guide rail, and the work efficiency is improved.

The guide jig according to claim 14 of the second aspect of the present invention is a guide jig that guides a rolling member provided on an upper portion of a support beam to a guide rail having a vertical wall, and rolls to the upper surface. It has a rolling portion on which the rolling surface of the member is formed, a flat plate material that can be inserted between the support beam and the rolling member, and a vertical wall of the guide rail that protrudes outward from above the end of the rolling portion. A positioning part that can sandwich the flat material and a positioning part that protrudes outward from the lower end of the flat plate material, abuts on the lower surface of the guide rail to regulate upward displacement, and the rolling surface of the flat plate material rolls on the guide rail. Since it is configured to have a regulating portion that matches the traveling surface of the moving member at almost the same level, the support beam can be easily guided to the guide rail, and the work efficiency is improved.

The method of mounting the support beam using the guide beam according to claim 15 of the second invention of the present invention uses a guide jig inserted between the rolling member provided on the upper portion of the support beam and the support beam. This is a method of mounting the support beam by guiding the rolling member of the support beam to a guide rail extending in the extension direction on the upper part of the structural frame and mounting the support beam on the guide rail. The first step of inserting the guide jig between the two, and the second step of pulling up the guide jig integrally with the support beam and arranging the end of the guide jig at the end of the guide rail to abut each other. Since the support beam is moved to the guide rail side and has a third step of guiding the rolling member to the rolling member running surface of the guide rail, the support beam can be easily guided to the guide rail. Work efficiency is improved.

FIG. 1 is an overall configuration diagram showing an overall configuration of a lifting and moving mechanism for a heavy member according to an embodiment of the first invention of the present invention. (A) to (C) of FIG. 2 are a plan view of the lifting movement mechanism of the heavy member of FIG. 1 as seen from the ceiling surface of the structural skeleton, an explanatory view showing a movable unit of the side wall of the structural skeleton, and a heavy member in the structural skeleton. It is a front view which shows the lifting movement mechanism of. 3A to 3C are a partially omitted plan view showing a guide rail of the lifting movement mechanism of the heavy member of FIG. 1, a partially omitted side view of the guide rail, and a front view of the guide rail, respectively. .. 4A and 4B are a plan view showing a support beam of the movable body unit of FIG. 1 and a side view showing the movable body unit, respectively. FIG. 5 is a side view of the support unit of the lifting movement mechanism of the heavy member of FIG. It is explanatory drawing which shows an example of arrangement of a rail hoist. FIG. 6 is an explanatory view showing a geared trolley of the movable body unit. FIG. 7 is an explanatory view showing a state in which a chain block and a wire are suspended from a support beam. FIG. 8 is an explanatory view showing a position detecting device for a garter provided on a support beam. 9 (A) to 9 (C) are a cross-sectional view taken along line I-I, a cross-sectional view taken along line II-II, and an enlarged side view of a main part of the garter of FIG. 1, respectively. 10A to 10C are a plan view, a side view, and a bottom view of a guide jig according to an embodiment of the second invention of the present invention, respectively. FIG. 11 is a cross-sectional view taken along the line III-III of the guide jig of FIG. FIG. 12 is a front view of the guide jig of FIG. 13A and 13B are explanatory views showing a state when the stopper of the guide rail and the guide jig are attached and detached, respectively. 14 (A) to 14 (C) are explanatory views for step by step explaining the steps of mounting the support beam of the movable body unit on the guide rail using the guide jig of FIG. 15A to 15D are explanatory views showing an example of a structural skeleton in which the orbital space is closed, respectively. FIG. 16 is an explanatory view showing an example in which the structural skeleton is composed of a temporary construction frame structure assembled on a track bed.

Hereinafter, the first invention of the present invention will be described with reference to one embodiment shown in the drawings. The lifting movement mechanism 2 for a heavy member according to an embodiment of the first aspect of the present invention is like a railroad stile or a turnout in a tunnel (structural frame) 3 in which a track is laid in an extension direction and is surrounded by vertical and horizontal sides. A long heavy member W is lifted and moved, and is provided in the tunnel 3. As shown in FIGS. 1 and 2, the lifting movement mechanism 2 of the heavy member includes a guide mechanism (guidance means) 6, a movable body unit (movable body) 24, and a support unit (support) 42. Will be done. The guide mechanism 6 includes brackets 4 provided on the upper left and right side walls 3A and 3B of the tunnel 3 at predetermined intervals along the extension direction, and guide rails 5 connected to these brackets 4. The movable body unit 24 has a pair of trolleys 11 and 12 at both ends of the upper portion, and includes a support beam 13 that is detachably mounted on the guide rail 5. The support unit 42 is provided with a garter 31 whose both ends are suspended and supported by the support beams 13A and 13B facing each other on the side walls 3A and 3B, respectively, and the heavy member W is detachably connected and lifted. The movable body unit 24 has a pair of trolleys (first rolling members) 11 and 12 at both ends of the upper portion, and includes a support beam 13 that is detachably mounted on the guide rail 5. The support unit 42 is configured to include a garter 31 having both ends suspended and supported by the supporting beams 13A and 13B facing each other on the side walls 3A and 3B, respectively, and the heavy member W is detachably connected and lifted.

As shown in FIGS. 2B and 2C, the bracket 4 of the guide mechanism 6 is attached to the uppermost portions of the side walls 3A and 3B near the ceiling. The guide rail 5 of the guide mechanism 6 is installed so as to connect a plurality of cross-section E-shaped rail pieces (H-shaped steel) and secure a horizontal length so as to have a desired length L (for example, 82 m in this embodiment). Rail. The guide rail 5 has a vertical wall 5A in the center, and the lower flat surface of the vertical wall 5A is a running surface of the trolleys 11 and 12. As shown in (A) of FIG. 2 and (A) and (B) of FIG. 13, one end of the guide rail 5 is a stopper 7 for preventing the first support beam from falling off, and the other end is a trolley described later. A second support beam dropout prevention stopper 8 is provided to allow entry from the outside of 11 and 12 and prevent the trolleys 11 and 12 on the guide rail 5 from falling off to the outside. As shown in FIGS. 3 and 10, when the trolleys 11 and 12 are removed from the guide rail 5 to the outside, the second support beam stopper 8 forcibly releases the stopper that prevents the stopper from falling off. A release lever 9 is provided. The second support beam dropout prevention stopper 8 prevents the trolleys 11 and 12 in the guide rail 5 from falling out, and allows the trolleys 11 and 12 to enter the guide rail 5 from the outside. At the time of removal, the release lever 9 is manually operated to forcibly release the stopper function. For example, the second support beam dropout prevention stopper 8 is configured by fitting the center of the stopper plate to a pin whose shaft core (not shown) coincides with the gauge direction and elastically urging it, and the trolley urges the trolley from the outside. It is configured to allow entry when approaching against, and to block travel when traveling outward from the guide rail 5, and to allow outward travel by the release lever 9. ..

In this way, the guide mechanism 6 includes the bracket 4, the guide rail 5 connected to the bracket 4, and the first support beam dropout prevention stopper 7 and the second support beam dropout provided at both ends of the guide rail 5, respectively. It is configured to have a stopper 8 for prevention. The guide mechanism 6 is adapted to secure a distance in the extension direction in which the heavy member W can be moved to a place away from the work place and is made to stand by as well as the work place. That is, in the present invention, the work efficiency is improved by effectively utilizing the work restriction of the width in the gauge direction of the narrow tunnel 3 and the space in the extension direction away from the work place, particularly the space above the tunnel 3. I am trying to improve it.

The support beam 13 is made of H-shaped steel having a predetermined length (2,500 mm in the present embodiment), and the support beams 13A and 13B facing each other on the side walls 3A and 3B support the garter 31. .. As shown in FIGS. 4 and 6, flanged hinge pins 23 and 23 are provided at both ends of the upper surface of the support beam 13, and are locked to the trolleys 11 and 12, respectively. As shown in FIGS. 4 and 7, a U-shaped locking portion 14 is provided at the center of the lower surface of the support beam 13, and the chain block 15 (first lifting device) is locked. The chain block 15 has hooks 16 at the lower ends and is detachably locked to hinge pins 32 provided at both ends of the garter 31. As shown in FIG. 7, a pair of wires (connecting members) 17 and 18 are suspended from the lower surface of the support beam 13 at equal distances from the U-shaped locking portion 14, respectively. That is, the upper annular end portions 17A and 18A of the wires 17 and 18 are locked to the flanged hinge pins 19 and 19 provided at equal intervals from the U-shaped locking portion 14 of the support beam 13 and are locked to the lower side. The annular ends 17B and 18B are free ends. When the chain blocks 15 and 15 lift the garter 31 and reach a predetermined height, the lower annular ends 17B and 18B are locked to the tongue pins 33A and 33B provided at both ends of the garter 31 to form a chain. When the hooks 16 and 16 of the blocks 15 and 15 are removed from the hinge pins 32, these pair of wires 17 and 18 support the garter 31 on the support beam 13 in a well-balanced manner at an angle of approximately 60 degrees. ing. That is, the wires 17 and 18 form an isosceles triangle.

The trolleys 11 and 12 are composed of a plain trolley 11 on one side and a geared trolley 12 (see FIG. 6) on the other side. As shown in FIG. 8, detection devices 20 for detecting the position of the garter 31 when the garter 31 is lifted by the chain blocks 15 and 15 are attached to the support beams 13A and 13B facing each other on the left and right side walls 3A and 3B, respectively. Provided. The detection device 20 is provided on the laser irradiation device 21 provided on one of the support beams 13A and the other support beam 13B among the two support beams 13 and 13 that support the garter 31, and receives the irradiated laser light. It is configured to include an indicator 22 for displaying whether or not the position of the garter 31 is deviated. As described above, the movable body unit 24 includes the support beam 13, the trolleys 11 and 12, the chain block 15, the wires 17 and 18, and the detection device 20. A large number of movable body units 24 can be mounted on the left and right guide rails 5, 5. If the weight and dimensions of the weight member W to be carried in and out are determined, the number of movable body units 24 corresponding to the weight and dimensions are determined.

As shown in FIG. 1, the garter 31 is configured by connecting a plurality of H-shaped steels 31A and 31B having different dimensions according to the width in the gauge direction of the structural frame 3. In the present embodiment, two H-shaped steels 31A and 31A having the same length are connected to both ends of the H-shaped steels 31 having different lengths so as to have a length of, for example, 7100 mm. The garter 31 is connected to the support beams 13A and 13B facing each other among the support beams 13 and 13 on the left and right side walls 3A and 3B. That is, as shown in FIG. 9 (C), the flange portions 34 formed on both ends of the upper surface of the garter 31 are provided with the hinge pins 32 and the tongue pins 33A and 33B on both lower sides of the hinge pins 32, and the hinge pins are provided. In 32, the tongue pins 33A and 33B are locked to the hook 16 of the chain block 15, and the tongue pins 33A and 33B are locked to the lower annular ends 17B and 18B of the wires 17 and 18, respectively. The distance from the support beam 13 to the garter 31 is set based on the length of the wires 17 and 18 and the angle at which the wires 17 and 18 are locked to the garter 31. The longer the length of the wires 17 and 18, the smaller the angle between the wires 17 and 18. That is, since the height of the guide rail 5 and the distance between the guide rail 5 and the support beam 13 (or the height of the support beam 13 from the floor) are predetermined, the lengths of the wires 17 and 18 and the time of locking are determined. If the angle of is known, the distance between the support beam 13 and the gata 31 can be obtained. Therefore, the height of the garter 31 is derived from the distance between the support beam 13 and the garter 31. A plurality of types of wires 17 and 18 having different lengths are prepared, and the height of the garter 31 is set according to the work content.

In the garter 31, as shown in FIGS. 2 and 9A, chain blocks (second lifting devices) 34 and 35 are longitudinally provided via plane trolleys 36 and 37 (second rolling member). It is mounted so that it can be displaced in the direction. The plane trolleys 36 and 37 are detachably connected to the chain blocks 34 and 35. The plain trolleys 36 and 37 are attached to any of the garter pieces 31A, 31A and 31B before connection when the garter 31 is assembled. After mounting the plain trolleys 36 and 37, the garter 31 is assembled by connecting the divided garter pieces 31A, 31A and 31B. The chain blocks 34 and 35 are designed so that the heavy member W is detachably connected to the hook 39 (connecting portion) at the lower end and lifted. The chain blocks 34 and 35 can be set to a height at which the worker can easily work with respect to the heavy member W, or can be set at a position above the upper limit height of the worker's work space. You can also do it.

As shown in FIG. 9B, the plane trolleys 36 and 37 are connected to the connecting portions 38 of the garter pieces 31A, 31A and 31B when traveling on the rolling surface 31S formed on the lower surface of the H-shaped garter 31 in cross section. A desired gap is secured between the rollers so that the vehicle travels without interference. Adjust pads 40 are provided on the lower surfaces of both ends of the garter 31. The adjustment pad 40 is designed to expand and contract the protective pad 41 so as to be detachable from the side wall. In the adjust pad 40, even if the garter 31 sways in the gauge direction, the protective pad 41 comes into contact with the wall surfaces 3A and 3B to suppress the sway. If necessary, when the protective pad 41 is extended and hits the wall surfaces 3A and 3B, the movement of the garter 31 is stopped. Further, a spirit level (not shown) is attached to the garter 31 so that it can be confirmed whether or not the garter 31 is kept horizontal. As described above, the support unit 42 includes a garter 31, plain trolleys 36 and 37, chain blocks 34 and 35, and an adjust pad 40. The number of support units 42 to be connected to the support unit 42 is determined according to the weight and dimensions of the weight member W to be carried in and out.

Next, the method of lifting and moving the heavy member according to the first aspect of the present invention will be described based on the operation of the lifting and moving mechanism 2 of the heavy member according to the above embodiment. In the lifting movement mechanism 2 of the heavy member, first, brackets 4 are provided on the left and right side walls 3A and 3B of the tunnel 3 at predetermined intervals along the extension direction, and guide rails 5 and 5 are connected to these brackets 4 for guidance. The mechanism 6 is installed (first step S1). Next, the trolleys 11 and 12 of the movable body unit 24 are detachably attached to the guide rail 5. At this time, the number of movable body units 24 is determined according to the weight and dimensions of the heavy member W, and the determined plurality of movable body units 24 are mounted on both guide rails (second step S2). Between these first step S1 and / and the second step S2, the garter pieces 31A, 31A, 31B are placed on a stepladder or step ladder (not shown) for raising, and the plain trolleys 36, 37 are attached. The garter pieces 31A, 31A, and 31B are connected to assemble the garter 31. After the second step S2, both ends of the garter 31 are locked to the chain blocks 15 and 15 of the support beams 13A and 13B facing each other on the side walls 3A and 3B, and the garter 31 is lifted to a predetermined height. When it reaches, the wires 17 and 18 are locked to the tongue pins 33A and 33B of the garter 31 and the hooks 16 of the chain blocks 15 and 15 are removed from the hinge pins 32. In this way, both ends of the garter 31 of the support unit 42 are connected to the support beams 13A and 13B via the wires 17 and 18 and suspended (third step S3). Next, when the plurality of garters 31 are moved above the heavy member W and the heavy member W is connected by the hooks 39 of the chain blocks 34 and 35, the heavy member W is lifted to a desired height. Then, the garter 31 on which the heavy member W is suspended is moved to a place away from the work place (fourth step S4). As described above, in the lifting movement method of the lifting movement mechanism 2 of the heavy member, after connecting the heavy member W to the garter 31 having a predetermined height, the heavy member W is lifted to a desired height, and the heavy member W is lifted and held. The support can be moved in the extension direction while keeping it. Therefore, when the work place is moved to a place away from the work place, the work place is secured. Further, the work can be performed on the heavy member W waiting at the moved place at the same time, and at the same time, the work can be performed at the same time at another work place, and the work efficiency can be improved. Further, since it is not necessary to install equipment such as a Yamakoshi device on the trackbed, a wide working space can be secured.

As described above, in the method of lifting and moving the heavy member using the lifting and moving mechanism 2 of the heavy member according to the above embodiment, the loading and unloading work is efficiently performed even when the heavy member W is carried in and out of the tunnel 3. Can be done. That is, when a new heavy member W is carried in from the outside to a work place (see (A) in FIG. 2) in the structural frame 3 such as a narrow tunnel, a heavy member transport vehicle (not shown) is placed on the rail of the track. After mounting, the heavy member W is loaded on the vehicle and carried to the extended place of the guide rail 5. A plurality of garters 31 are arranged along the extension direction of the guide rail 5, move these garters 31 to the location of the new heavy member W carried in, and connect the heavy members W with the chain blocks 34 and 35. And lift it to the specified height. Then, when the new heavy member W is moved to a place away from the work place, the work place is secured. The moved support unit 42 stands by while holding the lifted weight member W. Further, in parallel with other work, the work can be performed on the heavy member W waiting at the moved place. When carrying out a heavy member W such as a rail or a turnout to be removed from the tunnel 3, a plurality of support units 42 are arranged on the heavy member W for removal along the extension direction of the guide rails 5 and 5, and a chain is used. After connecting to the blocks 34 and 35, the weight member W for removal is lifted, moved in the lifted state to stand by, and when a new rail or turnout is replaced or updated, the weight member transport vehicle (not shown) becomes available. It is also possible to place the weight member W for removal and carry it out. You can wait until you need it, that is, until you carry it out.

In the above embodiment, the heavy member W is connected to the garter 31 having a predetermined height, and then the heavy member W is lifted to a desired height. However, the lifting heights of the wires 17 having different lengths are different. It can be freely set according to the length of 18, and may be set to a height at which the worker can easily work, or may be set above the upper limit height of the worker's work space. Further, in the above embodiment, the lifted heavy member W is moved, but the present invention is not limited to this, and the heavy member W may be held in the lifted place.

Next, one embodiment of the guide jig according to the second aspect of the present invention will be described based on the embodiment used for the lifting and moving mechanism 2 of the heavy member according to the one embodiment of the first invention. As shown in FIGS. 10 to 13, the guide jig 102 according to the second aspect of the present invention is a guide jig that guides the trolleys 11 and 12 of the support beam 13 to the guide rail 5. The guide jig 102 has a rolling portion 103 having rolling surfaces 103A of the trolleys 11 and 12 formed on the upper surface thereof, and is a flat plate that can be inserted between the support beam 13 and the rollers 11A and 12A of the trolleys 11 and 12. It is composed of a material 104. The guide jig 102 is formed with an upright portion 105 that rises in parallel with the center line of the rolling portion 103 in between, and projects outward from the upper portion of the end portion 105A of the upright portion 105 to form a vertical wall of the guide rail 5. A positioning portion 106 capable of sandwiching 5A is formed. Further, the guide jig 102 is provided so as to project outward via a spacer 108 joined to the end portion 107 of the lower surface 104A of the flat plate member 104, and abuts on the lower surface 5B of the guide rail 5 to cause an upward displacement. A regulation unit 109 to be regulated is provided. When the end portion 107 of the flat plate member 104 abuts on the guide rail 5, the regulating portion 109 makes the rolling surface 103A of the flat plate member 104 match the rolling member running surface 5C of the guide rail 5 at substantially the same level. ing. At the other end of the rolling portion 103, a stopper portion 110 that rises from the rolling surface 103A and prevents the trolleys 11 and 12 from falling off is formed. The guide jig 102 is provided with locking portions 111 and 112 on the upright portion 105 at substantially equal distances from the center in the longitudinal direction. These locking portions 111 and 112 are locked to the lifting ropes 121A and 121B when the guide jig 102 is lifted.

Next, a method of mounting the support beam using the guide jig 102 according to the second aspect of the present invention will be described based on the operation of the guide jig 102. First, as shown in FIG. 14 (A), of the two ends of the guide rail 5, fixed pulleys are mounted on the wall surfaces 3A and 3B above the vicinity of the end 5D on the side where the stopper 8 for preventing the second support beam from falling off is provided. The pulling tools 120A and 120B provided with the above are installed in the horizontal direction. The distance between the pulling tools 120A and 120B corresponds to the distance between the locking portions 111 and 112 of the guide jig 102. The pulling tools 120A and 120B are provided with lifting ropes 121A and 121B wound around a fixed pulley, hooks 122A and 122B are provided at one end of the lifting ropes 121A and 121B, and operating portions 123A and 123B are provided at the other ends. Then, the operation units 123A and 123B are operated to move the hooks 122A and 122B up and down. In these pulling tools 120A and 120B, when the guide jig 102 is lifted vertically by the lifting ropes 121A and 121B, the positioning portion 106 of the guide jig 102 faces the vertical wall 5A of the guide rel 5, and the regulating portion 109 causes the guide rail 5 to face the vertical wall 5A. It is attached so as to project and abut on the lower end side of the.

Below the end portion 5D of the guide rail 5, a raising table (not shown) is arranged on the track bed, and the movable body unit 24 is placed on the raising table (not shown). Next, the guide jig 102 is inserted between the support beam 13 of the mounted movable body unit 24 and the rollers 11A and 12A of the trolleys 11 and 12 and placed on the upper surface of the support beam 13 (first step S11). ). Next, the hooks 122A and 122B of the lifting ropes 121A and 121B are locked to the locking portions 111 and 112, respectively, and the operating portions 123A and 123B of the lifting ropes 121A and 121B are operated to keep the guide jig 102 horizontal. And pull it up. Then, the rolling portion 103 of the guide jig 120 comes into contact with the rollers 11A and 12A of the trolleys 11 and 12, and pulls up the movable body unit 24 together with the trolleys 11 and 12. Next, when the positioning portion 106 of the guide jig 102 reaches a position facing the vertical wall 5A of the guide rail 5 (see (B) of FIG. 14), the chains or wires 17 and 18 of the chain block 15 of the movable body unit 24 are reached. When the guide jig 102 is pushed toward the guide rail 5 side, the positioning portion 106 sandwiches the vertical wall 5A and is positioned in the width direction. Then, when the guide jig 102 is further pulled upward, the regulating portion 109 abuts on the lower surface of the end portion 5D of the guide rail 5 to regulate the upward displacement, and the end portion 107 of the flat plate member 104 abuts on the guide rail 5. The rolling surface 103A of the flat plate member 104 and the rolling member running surface 5C of the guide rail 5 are at substantially the same level, and the same rolling surface is formed on the guide jig 102 and the guardrail 5 (second step). S12).

Next, when the chain or wires 17 and 18 of the chain block 15 are pulled to push the movable body unit 24 toward the guide rail 5, the trolley 11 on the guide rail 5 side abuts on the second support beam dropout prevention stopper 8. .. At this time, the stopper 8 allows the trolley 11 to enter from the outside and guides the trolleys 11 and 12 to the guide rail 5 (see the third step S13, (C) of FIG. 14). At this time, since the guide jig 102 is in a state of being positioned by the end portion 5D of the guide rail 5, when the operating portions 123A and 123B of the pulling tools 120A and 120B are operated and pulled down, the positioning portion 106 and The engagement with the vertical wall 5A is disengaged. After the engagement is released in this way, the guide jig 102 is pulled down to the floor side.

When removing the movable body unit 24 from the guide rail 5, the guide jig 102 is arranged so as to face the end portion 5D of the guide rail 5 and the positioning portion 106 is engaged with the vertical wall 5A, contrary to the above step. , The stopper is forcibly released by the release lever 9 of the stopper 8 for preventing the second support beam from falling off, and the trolleys 12 and 11 are guided to the guide jig 102. The movable body unit 24 guided by the guide jig 102 is pulled down by the pulling tools 120A and 120B.

As described above, since the method of mounting the support beam using the guide jig 102 according to the second invention of the present invention is configured as described above, the guide jig 102 is attached to the support beam 13 and the trolleys 11 and 12. The guide jig 102 is integrally lifted with the support beam 13 by the pulling tools 120A and 120B, and the positioning portion 106 of the guide jig 102 is sandwiched between the vertical walls 5A of the guide rail 5 and regulated. When the portion 109 is brought into contact with the lower surface of the guide rail 5, the rolling portion end 105A of the guide jig 102 and the end 5D of the guide rail 5 are accurately abutted with each other, and the rolling portion 103 of the guide jig 102 The rolling surface and the rolling member running surface 5C of the guide rail 5 match at substantially the same level. When the support beam 103 is moved to the guide rail 5 side in this state, the trolleys 11 and 12 pass through the second support beam dropout prevention stopper 8 and smoothly reach the rolling member traveling surface 5C of the guide rail 5. Since the support beam 103 can be easily guided to the guide rail 5, the work efficiency is improved.

In the above embodiment, the rolling member mounted on the support beam 13 is composed of the plain trolley 11 and the geared trolley 12, but the present invention is not limited to this, and the transfer member traveling surface 5C of the guide rail 5 is not limited to this. It may be a roller or a wheel as long as it can freely travel. Further, in the above embodiment, the support beam 13 and the garter 31 are connected by wires 17 and 18 as connecting members, but the present invention is not limited to this, and a rod member may be used. .. Further, in the above embodiment, the guide rail 5 uses an H-shaped steel having an E-shaped cross section, but the present invention is not limited to this, and the rail or the cross section has an I-shaped cross section, a U-shaped cross section, and an L-shaped cross section. The U-shaped rail may be laid on its side so as to be composed of a rail whose upper side is opened. Further, in the above embodiment, the structural skeleton for a railroad is described as a tunnel 3 in which the upper, lower, left and right are surrounded and the track space is limited, but even if the upper side of the upper, lower, left and right is an open digging structure. It may also be a skeleton (framework) in which the upper, lower, left and right are surrounded and the orbital space is limited, or a skeleton (framework) in which the upper side of the upper, lower, left and right is open. The frame structure may be removed after the assembly work during the work. In the above embodiment, the guide rails 5 are provided on the upper left and right side walls of the structural frame, but the present invention is not limited to this, and the guide rails 5 may be provided on the left and right sides of the ceiling portion, or between the side wall and the ceiling portion. It may be provided on the haunch of. Further, in the above embodiment, the structural skeleton is a two-line box-shaped tunnel having a rectangular cross section as shown in FIG. 15 (A), but the present invention is not limited to this, and FIG. 15 (B) As shown in, a two-wire box-shaped tunnel with a stepped haunch may be used, or as shown in FIG. 15 (C), a roof shield in which the wall and ceiling rising from the track floor are formed in an arch shape. It may be a tunnel. Further, an arched tunnel as shown in FIG. 15D may be used. When the wall and ceiling are arched structural skeletons, the guide rails need only be provided at the upper part of the structural skeleton at a desired height. Further, as shown in FIG. 16, the structural skeleton may be composed of a skeleton structure including temporary construction beams and girders assembled on the track bed. Further, in the above embodiment, when the heavy member W is suspended from the support unit 42 and moved to a place away from the work place along the guide mechanism 6 to stand by, the support unit 42 is supported from below. A material may be provided.

2 Lifting and moving mechanism for heavy members 3 Tunnel (structural frame)
3A, 3B Side wall 4 Bracket 5 Guide rail 6 Guide mechanism 11, 12 Trolley 13 Support beam 24 Movable unit 31 Garter 34, 35 Chain block 36, 37 Trolley 42 Support unit W Heavy weight member

Claims (17)

It is a mechanism that lifts and moves heavy members in the structural frame where tracks are laid in the extension direction.
Guidance means provided along the extension direction on both the left and right sides of the upper part of the structural frame,
Multiple movable bodies that can be movably attached to each guide means,
A lifting and moving mechanism for heavy members, which is provided with a support that is suspended and supported by movable bodies that face each other at both ends and that is detachably connected and lifted. It is a mechanism that lifts and moves heavy members in the structural frame where tracks are laid in the extension direction.
A guide mechanism having brackets provided at predetermined intervals along the extension direction on both left and right sides of the upper part of the structural frame, and guide rails connected to these brackets.
A support beam having a first rolling member at the top and being detachably mounted on the guide rail, a first lifting device suspended and supported by the support beam, and one end are locked to the support beam. A plurality of movable unit having a connecting member and
A garter in which the lifting portion of the first lifting device and the other end of the connecting member are freely engaged and disengaged at both ends, and a garter that is displaceably mounted in the longitudinal direction via a second rolling member. A mechanism for lifting and moving a heavy member, which comprises a support unit having a second lifting device for detachably connecting and lifting the heavy member. The guide rails are provided on the upper left and right sides of the structural skeleton or on the left and right sides of the ceiling of the structural skeleton, and are characterized in that a plurality of cross-section E-shaped rail pieces are connected and extended to a desired length. The lifting and moving mechanism for a heavy member according to claim 2. A stopper for preventing the support beam from falling off is provided at the end of the guide rail.
The support beam dropout prevention stopper is configured to allow the first rolling member to enter the guide rail from the outside and prevent the first rolling member in the guide rail from falling out. The lifting and moving mechanism for a heavy member according to claim 3, wherein the heavy member is lifted and moved. The first lifting device is suspended and supported at the center of the lower surface of the support beam, the connecting member is composed of a pair of wires, and one end of each wire is locked at equal intervals from the center of the lower surface of the support beam. The lifting and moving mechanism for a heavy member according to claim 2. The lifting and moving mechanism for a heavy member according to claim 2, wherein the garter has an adjustable length according to the width in the gauge direction of the structural frame. The lifting and moving mechanism for a heavy member according to claim 2, wherein the support beam is provided with a detection device for detecting the position of the garter. The lifting and moving mechanism for a heavy member according to claim 2, 6 or 7, wherein an adjusting pad for expanding and contracting a protective pad on a side wall is provided at both ends of the garter. The lifting and moving mechanism for a heavy member according to any one of claims 2, 6 to 8, wherein a spirit level is attached to the garter. The structural frame is a tunnel or frame that is surrounded by the top, bottom, left, and right and the track space is limited, a dug structure or frame that is open on the upper side of the top, bottom, left, and right, or a temporary construction frame that is assembled on the track floor. The lifting and moving mechanism for a heavy member according to claim 1 or 2, wherein the heavy member includes. It is a lifting movement method in which heavy members are lifted and moved in a structural frame in which a track is laid in the extension direction.
A method for lifting and moving a heavy member, which comprises connecting the heavy member to a support having a predetermined height, then lifting the heavy member, and moving the support in the extension direction while lifting and holding the heavy member. It is a lifting movement method that lifts and moves heavy members in the structural frame where the extension direction track is laid.
The first step of providing the guiding means on the left and right sides of the upper part of the structural frame along the extension direction, and
The second step of movably attaching a plurality of movable bodies to each guide means,
The third step of suspending the support from the movable bodies facing each other on the left and right,
A method for lifting and moving a heavy member, which comprises a fourth step of detachably connecting the heavy member by a support and lifting and moving the heavy member. A guide jig that guides the rolling member provided on the upper part of the support beam to the guide rail.
A rolling surface of the rolling member is formed on the upper surface so that it can be inserted between the support beam and the rolling member, and when one end is guided to the end of the guide rail, the rolling surface becomes the guide rail. A guide jig characterized in that it is configured to match the traveling surface of the rolling member at almost the same level. A guide jig that guides the rolling member provided on the upper part of the support beam to a guide rail having a vertical wall.
A flat plate material having a rolling portion in which the rolling surface of the rolling member is formed on the upper surface and can be inserted between the support beam and the rolling member,
A positioning part that protrudes outward from above the end of the rolling part and can sandwich the vertical wall of the guide rail,
It is provided so as to project outward from the lower end of the flat plate material, abuts on the lower surface of the guide rail to regulate upward displacement, and the rolling surface of the flat plate material is almost at the same level as the rolling member running surface of the guide rail. A guide jig characterized in that it is configured to have a regulating part that matches the above. Using a guide jig inserted between the rolling member provided on the upper part of the support beam and the support beam, the rolling member of the support beam is guided to the guide rail extending in the extension direction on the upper part of the structural frame. It is a mounting method of the support beam that mounts the support beam on the guide rail.
The first step of inserting the guide jig between the support beam and the rolling member,
The second step of pulling up the guide jig integrally with the support beam, arranging the end of the guide jig at the end of the guide rail, and abutting them.
A method of mounting a support beam using a guide jig, which comprises a third step of moving the support beam to the guide rail side and guiding the rolling member to the rolling member running surface of the guide rail. The method for mounting a support beam using the guide jig according to claim 15, wherein the pulley is attached to the side wall near the end of the guide rail, and the guide jig is pulled up in the second step. The end of the guide jig is placed so as to abut against the end of the guide rail, the support beam is moved from the guide rail to guide the rolling member to the guide jig, and the guide jig and the support beam are pulled down from the guide rail. The method for mounting a support beam using the guide jig according to claim 15 or 16, wherein the support beam is detached.

Images